Matching Pairs Chemical NomenclatureOnline version Naming various chemical compounds leveled for AP Chemistry by Andrew Guertler 1 B₂O₃ 2 Hg₂O 3 potassium chromate 4 mercury (I) selenide 5 FeBr₂ 6 barium sulfate 7 HgO 8 MnO₂ 9 FeBr₃ 10 AlI₃ 11 potassium permanganate 12 AsF₅ 13 BO₃ 14 NaBr 15 potassium manganate 16 potassium dichromate 17 ArF₅ 18 Li₃N 19 mercury (II) selenide 20 barium sulfite K₂Cr₂O₇ mercury (II) oxide KMnO₄ iron (II) bromide HgSe₂ BaSO₄ lithium nitride argon pentaflouride K₂MnO₄ mercury (I) oxide boron trioxide Hg₂Se manganese (IV) oxide iron (III) bromide K₂CrO₄ Aluminum Iodide arsenic pentaflouride BaSO₃ diboron trioxide sodium bromide